/*
基本类型：Number,String,Boolean,null undefined
复杂类型：Array,Object,Function
*/
// Array
// 推荐写法
const arr: number[] = [1, 2, 3, 4, 5]
const arr2: Array<number> = [1, 2, 3, 4, 5]
const arr3: boolean[] = [true, false]

export {}
